Diagnosis: Dorsal fin XII, 14, membrane attached to caudal fin, with deep notch above last spine, first spine almost same or slightly higher than second; anal fin II, 15; pectoral rays 15; pelvic fin I, 4; caudal fin procurrent rays 11-14. Vertebrae 10 + 20. LL, without scales and scalelike flaps; LL tubes 0-3 (sometimes up to 5), canal ends below 13th dorsal spine to caudal-fin base. Upper lip crenulae 40-55. Gill rakers 22-32. Cephalic sensory pore system complex. Cirri: supraorbital 18-42 (usually 20-37); nasal 7-32 (usually 11-27); nuchal 47-66 (usually 50-60), in 4 groups with 2 or more sometimes connected basally by a frenum, dorsalmost groups usually meet or overlap at midpoint on nape, ventralmost group on each side borne on broadly expanded flap. Head with dark brown spots on pale background; orangish red iris; yellow pelvic fins; pectoral fins spotted on proximal half. (Ref. 529).